penyelesaian persamaan linearI2x-5I=13

persamaan mutlak
|2x-5|=13
1. 2x -5 = 13
2x = 13+5
x= 18:2 = 9

2. 2x -5 = -13
2x = -13 +5
x = -8 : 2 = -4

jadi hp = {9, -4}

maaf kalau salah
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